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2025 Vol.35, Issue 11 Preview Page

Research Paper

Layered and Polycrystalline Architectures of Boron Nitride Unveiled by Electron Microscopy
Ankita Yadav1
,
Mukesh Kumar1†
,
Ashutosh Sharma23†
1Department of Physics, Faculty of Applied and Basic Sciences, Shree Guru Gobind Singh Tricentenary University, Gurugram 122505, India
2Department of Materials Science and Engineering, University of Seoul, Seoul 02504, Republic of Korea
3Amity Institute of Applied Sciences, Amity University Jharkhand, Ranchi 834002, India
†Corresponding author E-Mail : mukesh.kumar@sgtuniversity.org (M. Kumar, SGT Univ.), ashu.materials@gmail.com (A. Sharma, UOS, AUJ)
27 November 2025. pp. 523-532
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Abstract

This study thoroughly examines boron nitride (BN) materials prepared through solid-state synthesis using a multiscale characterization approach to understand their structural, morphological, and functional attributes. These attributes are crucial for gas sensing applications. Scanning electron microscopy (SEM) revealed a flake-like, layered surface structure typical of hexagonal BN, indicating well-developed crystallites and interlayer alignment. Further insights from transmission electron microscopy (TEM) and selected area electron diffraction (SAED) confirmed the polycrystalline nature of the BN nanostructures and uncovered details such as nanosheet stacking, interplanar spacing, and local distortions such as surface wrinkling and folding. These nanoscale textural features improve the surface roughness and porosity, which are beneficial for gas adsorption and surface reactivity. Together, these imaging and diffraction results (SEM, TEM and SAED) suggest a uniform structural framework with a high surface area and excellent thermal and chemical stability. Such properties highlight the suitability of BN materials for advanced applications in thermal management, electrical insulation, and gas sensing systems.

Keywords
boron nitride
solid-state synthesis
scanning electron microscopy
transmission electron microscopy
selected area electron diffraction
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 35
  • No :11
  • Pages :523-532
  • Received Date : 2025-09-08
  • Revised Date : 2025-09-08
  • Accepted Date : 2025-10-01
  • DOI :https://doi.org/10.3740/MRSK.2025.35.11.523
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